Home / 10,364.60-15,529.80-5,974.40

Finding the Fourth Proportional to 10,364.60, 15,529.80 and 5,974.40

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Solution

The fourth proportional to 10,364.60, 15,529.80 and 5,974.40 is: 8,951.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.60 : 15,529.80 = 5,974.40 : x
  2. Step 2: Convert to fraction form
    10,364.60/15,529.80 = 5,974.40/x
  3. Step 3: Cross multiply
    10,364.60x = 15,529.80 × 5,974.40
  4. Step 4: Simplify right side
    10,364.60x = 92,781,237.12
  5. Step 5: Solve for x
    x = 92,781,237.12/10,364.60
  6. Step 6: Final answer
    x = 8,951.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.